MC81F4332 Datasheet, PDF (21/198 Pages) Finechips – ABOV SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS

MC81F4x32
5. PIN DESCRIPTION
Pin Names I/O
R00
R01
R02
Function
R03
This port is a 1-bit programmable I/O pin.
Schmitt trigger input, Push-pull, or Open-drain output
R04
I/O
port.
When used as an input port, a Pull-up resistor can be
R05
specified in 1-bit.
R06
R07
R10
R11
R12
This port is a 1-bit programmable I/O pin.
Schmitt trigger input, Push-pull, or Open-drain output
R13
I/O
port.
When used as an input port, a Pull-up resistor can be
R14
specified in 1-bit.
R15
R16
R17
R20
R21
R22
This port is a 1-bit programmable I/O pin.
R23
Input, Push-pull, or Open-drain output port.
R24
I/O _{When used as an input port, a Pull-up resistor can be}
R25
specified in 1-bit.
R26
R27
R30
R31
This port is a 1-bit programmable I/O pin.
R32
I/O
Input, Push-pull, or Open-drain output port.
R33
When used as an input port, a Pull-up resistor can be
R34
specified in 1-bit.
R35
Shared with
SXin/EXT10
SXout/EXT11
AN0/EC0/EXT0
AN1/T0O/
PWM0O/EXT1
AN2/EC1/SCK/
EXT2
AN3/SI/EXT3/
T1O/PWM1O
AN4/EC2/SO/
EXT4
AN5/T2O/EXT5
Vref/EXT6
AN6/PWM2O/
EXT7
AN7/PWM3O/
BUZO/EXT8
AN8/PWM4O/
EXT9
RxD
TxD
SDA
SCL
AN9
–
–
–
–
AN10
AN11
AN12
AN13
AN14
–
Xout
Xin
RESETB
October 19, 2009 Ver.1.35
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